Wednesday, March 25, 2009

Anchor well and cuddy cabin cowling laminated

The cowling for the cuddy cabin and the anchor well are now laminated, and I cannot really do any more work on these parts until later when there is a hull to fit them to.  It did give me a chance to use up some of the remaining carbon fiber cutoffs to laminate the inside surface of the parts.  I wanted to see what an e-glass - foam - carbon structure would look like in terms of stiffness, lightness etc.  

Later on I will have to purchase more material for the inside hull surfaces and the thought had occurred to me to use the 6oz weight carbon fiber cloth.  There might be an advantage to using the carbon fiber on the inside for stiffness and the e-glass on the outside for abrasion resistance.  The candidates for the inside surface are carbon and s-glass (as in my floats).  No doubt when I price out the cloths, the small weight benefit with the 6oz carbon over the 9oz s-glass, may well be overwhelmed by the price difference.

Outside of the cowling laminated with 2 layers of the 8.9oz e-glass finely woven aerospace cloth.  It will still need a small amount of fairing.

Inside surface covered with a number of scrap cut-off pieces of carbon fiber left over from the rudder parts.
The anchor well laminated with e-glass on the wear surface for good abrasion resistance.  Carbon fiber on the inside.  The part did seperate about an inch from the mold dimension when it was removed.  I'm assuming I will be able to clamp it somehow into the correct position.  The part still needs final trimming.

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